Krofel, Miha. “Winter Observations of Eurasian Lynx (Lynx Lynx) Inspecting Karst Caves and Dolines in the Northern Dinaric Mountains, Slovenia”. Natura Sloveniae, vol. 12, no. 2, Dec. 2010, pp. 65-67, https://doi.org/10.14720/ns.12.2.65-67.